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unix: squelch -Wunused-but-set-variable warnings

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This commit is contained in:
Ben Noordhuis 2012-11-09 03:21:00 +01:00
parent 20eaa84c4f
commit d6b7fe0e3b
1 changed files with 3 additions and 3 deletions
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6
src/unix/signal.c
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@ -189,17 +189,16 @@ static uv_err_t uv__signal_register_handler(int signum) {
static void uv__signal_unregister_handler(int signum) {
/* When this function is called, the signal lock must be held. */
struct sigaction sa;
int r;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
r = sigaction(signum, &sa, NULL);
/* sigaction can only fail with EINVAL or EFAULT; an attempt to deregister a
* signal implies that it was successfully registered earlier, so EINVAL
* should never happen.
*/
assert(r == 0);
if (sigaction(signum, &sa, NULL))
abort();
}
@ -439,6 +438,7 @@ static void uv__signal_stop(uv_signal_t* handle) {
removed_handle = RB_REMOVE(uv__signal_tree_s, &uv__signal_tree, handle);
assert(removed_handle == handle);
(void) removed_handle;
/* Check if there are other active signal watchers observing this signal. If
* not, unregister the signal handler.